Home / 767,021.12-1,150,453.92-205,982.72

Finding the Fourth Proportional to 767,021.12, 1,150,453.92 and 205,982.72

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Solution

The fourth proportional to 767,021.12, 1,150,453.92 and 205,982.72 is: 308,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,021.12 : 1,150,453.92 = 205,982.72 : x
  2. Step 2: Convert to fraction form
    767,021.12/1,150,453.92 = 205,982.72/x
  3. Step 3: Cross multiply
    767,021.12x = 1,150,453.92 × 205,982.72
  4. Step 4: Simplify right side
    767,021.12x = 236,973,627,676.26
  5. Step 5: Solve for x
    x = 236,973,627,676.26/767,021.12
  6. Step 6: Final answer
    x = 308,953.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.